17P/Holmes Orbit by S. Nakano NK 3629 (2018) : T is corrected by -0.005 day.
Equinox 2000.0 T/TT q (AU) e P Peri. Node Inc. Tail(AU) Epoch 2021 Feb. 19.88032 2.0841711 0.4272625 6.94 24.59304 326.62911 19.02295 0.200 2023 Sep. 13.0 m1 = 7.0 + 5 log Delta + 15.0 log r Date/ 0h TT R.A.(1950) Decl. R.A.(2000) Decl. Delta r Daily motion Magnitude Mot./PA Elong. P PA/Tail Moon Age h m ¡ , h m ¡ , m , m1 , ¡ ¡ ¡ ¡ ¡ ¡ 2022 Dec. 27 09 32.87 +21 42.2 09 35.69 +21 28.8 3.605 4.358 -0.53 + 1.5 19.4 7.5/281 135.2 9.1 282/0.48 174 .18 2023 Jan. 6 09 27.59 +21 56.5 09 30.43 +21 43.3 3.533 4.387 -0.66 + 1.7 19.4 9.4/281 146.5 7.1 279/0.38 43 .99 16 09 20.96 +22 12.8 09 23.81 +21 59.9 3.487 4.414 -0.76 + 1.6 19.4 10.7/279 157.9 4.8 272/0.26 80 .41 26 09 13.36 +22 28.6 09 16.22 +22 16.1 3.471 4.442 -0.80 + 1.3 19.4 11.2/277 168.9 2.4 255/0.14 132 .23 Feb. 5 09 05.34 +22 41.4 09 08.22 +22 29.3 3.487 4.468 -0.78 + 0.8 19.5 10.9/275 173.6 1.4 174/0.08 6 .99 15 08 57.49 +22 49.4 09 00.38 +22 37.6 3.536 4.495 -0.71 + 0.2 19.5 9.9/272 164.4 3.4 126/0.18 122 .36 25 08 50.34 +22 51.2 08 53.25 +22 39.9 3.615 4.520 -0.60 - 0.4 19.6 8.3/267 153.2 5.7 116/0.29 91 .27 Mar. 7 08 44.38 +22 46.7 08 47.29 +22 35.6 3.722 4.546 -0.45 - 1.0 19.7 6.3/261 142.1 7.7 111/0.39 32 1.00 17 08 39.88 +22 35.9 08 42.79 +22 25.1 3.853 4.571 -0.29 - 1.6 19.8 4.3/248 131.2 9.4 109/0.46 164 .29 27 08 37.02 +22 19.6 08 39.93 +22 08.9 4.004 4.595 -0.12 - 2.1 19.9 2.7/218 120.8 10.7 107/0.51 54 .30 Apr. 6 08 35.82 +21 58.4 08 38.73 +21 47.8 4.168 4.619 +0.04 - 2.5 20.1 2.6/168 110.8 11.7 106/0.53 67 1.00 16 08 36.20 +21 33.0 08 39.10 +21 22.4 4.342 4.642 +0.18 - 2.9 20.2 3.9/139 101.2 12.2 105/0.53 156 .22 26 08 38.05 +21 03.8 08 40.94 +20 53.1 4.521 4.665 +0.31 - 3.3 20.3 5.5/126 92.0 12.4 105/0.52 23 .32 May 6 08 41.21 +20 31.4 08 44.08 +20 20.5 4.700 4.687 +0.43 - 3.6 20.4 7.0/121 83.1 12.3 105/0.50 100 1.00 16 08 45.48 +19 56.0 08 48.34 +19 44.9 4.876 4.709 +0.52 - 3.9 20.5 8.3/117 74.6 11.9 105/0.47 120 .15 26 08 50.72 +19 17.7 08 53.57 +19 06.3 5.046 4.730 +0.60 - 4.1 20.6 9.5/116 66.3 11.3 105/0.43 7 .35 June 5 08 56.76 +18 36.8 08 59.59 +18 25.0 5.206 4.751 +0.67 - 4.4 20.7 10.5/114 58.3 10.5 106/0.38 133 .99 15 09 03.45 +17 53.3 09 06.26 +17 41.3 5.354 4.772 +0.72 - 4.6 20.8 11.3/114 50.4 9.4 106/0.34 88 .10 25 09 10.67 +17 07.5 09 13.46 +16 55.1 5.488 4.791 +0.76 - 4.8 20.9 12.0/114 42.8 8.3 106/0.29 33 .37 July 5 09 18.29 +16 19.4 09 21.06 +16 06.6 5.606 4.811 +0.79 - 5.0 21.0 12.5/114 35.2 7.0 107/0.24 165 .96 15 09 26.21 +15 29.3 09 28.96 +15 16.2 5.706 4.830 +0.81 - 5.2 21.0 12.9/114 27.7 5.6 108/0.19 59 .07 25 09 34.33 +14 37.4 09 37.06 +14 23.9 5.788 4.848 +0.82 - 5.4 21.1 13.1/114 20.3 4.2 108/0.14 59 .41 Aug. 4 09 42.57 +13 43.9 09 45.28 +13 30.0 5.850 4.866 +0.83 - 5.5 21.1 13.3/114 12.9 2.7 109/0.09 161 .92 14 09 50.84 +12 49.0 09 53.53 +12 34.9 5.891 4.884 +0.82 - 5.6 21.2 13.3/115 5.6 1.2 112/0.04 32 .05 24 09 59.06 +11 53.2 10 01.74 +11 38.7 5.911 4.901 +0.81 - 5.7 21.2 13.2/115 1.9 0.4 278/0.01 87 .46 Sept. 3 10 07.17 +10 56.8 10 09.83 +10 42.0 5.910 4.917 +0.79 - 5.7 21.2 13.0/116 9.3 1.9 287/0.06 130 .88 13 10 15.08 +10 00.1 10 17.73 +09 45.1 5.887 4.933 +0.76 - 5.7 21.2 12.6/117 16.9 3.4 288/0.11 8 .04 23 10 22.72 +09 03.7 10 25.35 +08 48.4 5.844 4.949 +0.73 - 5.6 21.3 12.1/117 24.6 4.8 289/0.16 117 .52 Oct. 3 10 30.00 +08 08.0 10 32.62 +07 52.5 5.780 4.964 +0.68 - 5.5 21.2 11.5/118 32.4 6.2 290/0.21 100 .84 13 10 36.83 +07 13.6 10 39.44 +06 57.9 5.697 4.978 +0.63 - 5.3 21.2 10.8/119 40.3 7.5 290/0.25 21 .03 23 10 43.13 +06 21.0 10 45.73 +06 05.2 5.596 4.992 +0.56 - 5.0 21.2 9.8/121 48.5 8.6 291/0.30 149 .60 Nov. 2 10 48.78 +05 31.1 10 51.38 +05 15.1 5.480 5.006 +0.49 - 4.7 21.2 8.7/123 56.8 9.6 291/0.34 71 .81 12 10 53.69 +04 44.3 10 56.27 +04 28.3 5.349 5.019 +0.40 - 4.3 21.2 7.4/125 65.4 10.3 292/0.37 49 .02 22 10 57.71 +04 01.6 11 00.30 +03 45.5 5.208 5.032 +0.30 - 3.8 21.1 5.9/130 74.3 10.9 292/0.40 173 .67 Dec. 2 11 00.75 +03 23.7 11 03.33 +03 07.5 5.060 5.044 +0.19 - 3.2 21.1 4.3/138 83.5 11.2 292/0.42 43 .79 12 11 02.67 +02 51.3 11 05.25 +02 35.1 4.908 5.055 +0.07 - 2.6 21.0 2.8/158 92.9 11.2 293/0.44 80 .01 22 11 03.37 +02 25.5 11 05.95 +02 09.2 4.757 5.067 -0.06 - 1.9 21.0 2.1/206 102.8 10.9 294/0.44 139 .74 2024 Jan. 1 11 02.78 +02 06.7 11 05.35 +01 50.5 4.612 5.077 -0.19 - 1.1 20.9 3.1/249 112.9 10.3 294/0.43 13 .78 11 11 00.84 +01 55.5 11 03.41 +01 39.3 4.479 5.088 -0.33 - 0.3 20.9 4.9/266 123.5 9.3 295/0.40 116 .01 21 10 57.59 +01 52.2 11 00.16 +01 36.1 4.361 5.097 -0.44 + 0.4 20.8 6.7/274 134.3 7.9 297/0.35 101 .79 31 10 53.14 +01 56.7 10 55.71 +01 40.6 4.265 5.107 -0.54 + 1.2 20.8 8.2/278 145.4 6.3 299/0.28 24 .77 Feb. 10 10 47.69 +02 08.1 10 50.27 +01 52.2 4.195 5.115 -0.61 + 1.7 20.7 9.4/281 156.6 4.4 304/0.20 156 .00 20 10 41.55 +02 25.3 10 44.13 +02 09.6 4.154 5.124 -0.64 + 2.1 20.7 9.9/283 167.6 2.4 317/0.11 62 .82 Mar. 1 10 35.10 +02 46.6 10 37.68 +02 31.0 4.145 5.132 -0.64 + 2.3 20.7 9.8/284 174.3 1.1 25/0.05 60 .75 11 10 28.74 +03 09.9 10 31.32 +02 54.4 4.168 5.139 -0.59 + 2.3 20.8 9.1/285 166.5 2.6 86/0.12 158 .01 21 10 22.86 +03 33.0 10 25.45 +03 17.7 4.222 5.146 -0.50 + 2.1 20.8 7.8/286 155.6 4.6 98/0.20 25 .84 31 10 17.82 +03 53.9 10 20.41 +03 38.8 4.305 5.153 -0.40 + 1.7 20.9 6.2/286 144.7 6.4 102/0.28 98 .72